document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=875139>Question 875139</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What are the chances that a student can get a grade of a C, B or A when they guess on a multiple choice test? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #528039 by </B><A HREF=/tutors/aboutme.mpl?userid=ewatrrr><B>ewatrrr(24785)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ewatrrr><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=ewatrrr><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=528039\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let's say 4 choices: p(correct) = .25 , n = 100<BR>\n" );
document.write( "P(x  &#8805;  70) = 1 - binomcdf(100, .25, 69)= 1 - 1 = 0,  Basically 0% chance of a C<BR>\n" );
document.write( "Obviously same holds for B or A </SPAN>\n" );
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